×=
25%×4=
+ =
×÷×=
1÷0.01=
+×0=
0.7+0.7×99=
+-=
18÷0.2= 4×25%= 0.62= 29÷1%=
= = 0.8-0.01= =
1.25×8=
30×80%=
6.12+0.7-1.12=
0×=
4.8÷1.2=
5.2+2.8=
-0.37=
3.14×20= + = 0.5÷0.01= 0.32× =
21÷21%= × = 6-3 = ÷ =
15个
30个
60个
16岁
35岁
57岁
蚂蚁吃完饼干后,还想吃糖,它大约一共爬行了多少步?
50步
60步
80步